JP2014518171A5 - - Google Patents

Claims (19)

An apparatus for forming a three-dimensional object from a photocurable resin ,
A photocurable resin source;
A linear coagulator comprising an ultraviolet laser diode movable in a first direction and selectively activated and deactivated in optical communication with a rotating polygon mirror ;
The ultraviolet laser diode irradiates the rotating polygon mirror with solidification energy when the linear solidification device moves along the first axis, and the ultraviolet laser diode irradiates the rotating polygon mirror with solidification energy. Wherein the rotating polygon mirror scans the coagulation energy along a scan axis . The apparatus of claim 1, further comprising a coagulation energy sensor in optical communication with the rotating polygon mirror . The rotary polygon mirror, the linear coagulation device is a rotating available-in a plane perpendicular to said first axis as it moves along said first axis, The apparatus of claim 1. When the linear coagulator moves at a first speed along the first axis, the coagulation energy scans the photocurable resin along the scan axis at a scan speed, and the scan speed is The apparatus of claim 1, wherein the apparatus is at least 1000 times the first speed. Further comprising at least one lens between the rotating polygon mirror and the photocurable resin source , wherein the at least one lens transmits at least 95% of incident light having a wavelength in the range of about 380 nm to about 420 nm. The device of claim 1, wherein the device is coated with an anti-reflective coating. The at least one lens is a first and second F-θ lens, and the first F-θ lens exists between the rotating polygon mirror and the second F-θ lens, and The first F-θ lens has an entrance surface and a transmission surface, the second F-θ lens has an entrance surface and a transmission surface, and the curvature of the transmission surface of the first F-θ lens. The apparatus according to claim 5 , wherein a radius is larger than a radius of curvature of a transmission surface of the second F-θ lens. The apparatus of claim 1, further comprising a collimating lens between the ultraviolet laser diode and the rotating polygon mirror . Wherein the rotating polygon mirror and the coagulation energy sensor comprises optically further the mirror communicating, when the ultraviolet laser diode irradiates coagulation energy to the rotating polygon mirror during synchronous operation, coagulation energy the rotary multi The apparatus of claim 1, wherein the device is deflected from a square mirror to the mirror, and the deflected coagulation energy is reflected from the mirror and sent from the mirror to the sensor. The apparatus of claim 8 , further comprising a neutral density filter positioned to receive and filter light sent to the coagulation energy sensor. The rotary polygon mirror is rotatable in a rotary plane, the apparatus further comprises a building envelope, the building envelope, the light is irradiated coagulation energy may be deflected into the from the rotary polygonal mirror a portion of the curable resin, the rotational position of the rotary polygon mirror in the plane of rotation, along the scanning direction in the building envelope, which defines the position of the deflection coagulation energy, the coagulation energy 9. The apparatus of claim 8 , wherein when the sensor receives deflected coagulation energy, the rotational position of the rotating polygon mirror corresponds to a boundary of the construction envelope. The apparatus of claim 1, further comprising a coagulation energy source controller that selectively activates the ultraviolet laser diode based on shape information about the three-dimensional object. The shape information includes object data corresponding to a plurality of object cross-section strips, each object cross-section strip has a length defining a length direction and a width defining a width direction, and the plurality of strips are in a width direction The apparatus according to claim 11 , wherein the apparatus is arranged in a width direction along the line. The ultraviolet laser diode has an energy application state, and the solidification energy source controller selectively changes the energy application state of the ultraviolet laser diode according to the plurality of sets of string data, and each of the plurality of sets of string data. corresponds to the layer of the three-dimensional object, each set of string data, including a plurality of numbers defining the time energy application condition of the ultraviolet laser diode is changed as well as corresponding to the object-sectional strip, claim 12 The device described in 1. The photocurable resin source defines a construction envelope, a first offset region, and a second offset region, and during a three-dimensional object construction operation, the three-dimensional object is the first offset region or the second offset region. Constructed in the construction envelope rather than in the offset region, the device further comprises:
The apparatus of claim 1, comprising an advancing end sensor in the first offset region for detecting a position of the advancing end of the linear coagulator in a direction away from the building envelope. A coagulation substrate assembly comprising a transparent and / or translucent rigid or semi-rigid coagulation substrate, wherein the coagulation substrate assembly coagulates the photocurable resin when the linear coagulation device moves in the first direction. The apparatus of claim 1, wherein the apparatus is peeled from the section that has been made. The solidified substrate assembly further includes a fixed film and at least one film peeling member, the solidified substrate is disposed between the fixed film and the ultraviolet laser diode, and the ultraviolet laser diode moves in the first direction. 16. The apparatus of claim 15 , wherein the membrane stripping member moves in the first direction and a portion of the fixed membrane is disposed below the at least one membrane stripping member. 8. The apparatus of claim 7, wherein the collimating lens is coated with an anti-reflective coating, and the coated collimating lens transmits at least 95% of incident light having a wavelength in the range of about 380 nm to about 420 nm. The apparatus of claim 17, further comprising a cylindrical lens, wherein the collimating lens is disposed between the ultraviolet laser diode and the cylindrical lens, and the cylindrical lens is coated with an anti-reflective coating. The irradiated solidification energy is deflected from the rotating polygon mirror to form a solidification energy scanning line on the photocurable resin along the scanning direction, and the deflected solidification energy by the solidification energy sensor. The apparatus of claim 2, wherein receiving corresponds to a boundary position of the scan line along the scan direction.